TY  - BOOK
AU  -  Mindel
AU  - Sitomer,Harry
TI  - How did numbers begin?: Times. Foundation. Mathematics 
SN  - 9810102011
U1  - 513.2 MIN 
PY  - 1991///
CY  - New York, Singapore
PB  - Earlybird Books
KW  - Numeration
KW  - History
KW  - Juvenile literature
ER  -